| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 120 |
| 2025 | Apr | 130 |
| 2024 | Oct | 120 |
| 2024 | May | 130 |
| 2023 | Oct | 120 |
| 2023 | May | 130 |
| 2022 | Oct | 120 |
| 2022 | Apr | 130 |
| 2021 | Oct | 120 |
| 2021 | Apr | 150 |
| 2020 | Oct | 100 |
| 2020 | Mar | 350 |
| 2020 | Mar | 150 |
| 2019 | Nov | 50 |
| 2019 | Apr | 75 |
| 2018 | Oct | 50 |
| 2018 | Apr | 45 |
| 2018 | Jan | 30 |
| 2017 | Oct | 25 |
| 2017 | Apr | 45 |
| 2016 | Oct | 25 |
| 2016 | Mar | 250 |
| 2016 | Mar | 40 |
| 2015 | Oct | 30 |
| 2015 | Apr | 45 |
| 2015 | Jan | 25 |
| 2014 | Sep | 200 |
| 2014 | Apr | 30 |
| 2014 | Apr | 15 |
| 2014 | Jan | 225 |
| 2013 | Oct | 50 |
| 2013 | Apr | 45 |
| 2012 | Oct | 25 |
| 2012 | Apr | 45 |
| 2011 | Oct | 25 |
| 2011 | Apr | 45 |
| 2010 | Oct | 25 |
| 2010 | Apr | 40 |
| 2009 | Oct | 20 |
| 2009 | Jun | 40 |
| 2008 | Apr | 40 |
| 2007 | Apr | 40 |
| 2006 | Apr | 30 |